4) sucker rod
抽油杆
1.
The status quo and trend of sucker rod development in China;
我国抽油杆研制工作的现状及发展方向
2.
Thermal spraying wear-resistance layer onto material surface of sucker rod;
抽油杆材料表面喷涂耐磨层实验
3.
Upset forging die design of cylindrical ribwork sucker rods;
圆柱筋条式抽油杆镦锻模具设计
5) rod string
抽油杆
1.
Influence of resonance on the partial abrasion of rod string in screw pump well;
共振对螺杆泵井抽油杆偏磨的影响
2.
Dynamics analysis technology for rod string of surface driving screw pump and its application in Daqing Oilfield;
地面驱动螺杆泵抽油杆柱动力学分析技术及其应用
3.
This paper adopted fluid-solid coupling analysis method,and took the rod string,the well fluids and the oil tube as research objects,well fluids are assumed to be Newtonian fluids.
基于ANSYS软件的流固耦合分析方法,选取局部抽油杆、油管和采出液为研究对象,将采出液处理为牛顿流体,计算了不同偏心抽油杆在采出液作层流和湍流流动时的阻尼系数。
6) rod string
抽油杆柱
1.
The abrasion mechanism and cause analysis for straight well rod string;
直井抽油杆柱磨损机理及原因
2.
The dynamics simulation of rotating rod string in well bore;
井筒内旋转抽油杆柱动力学仿真
3.
A three-dimensional dynamic simulation model of rod string in actual borehole was established based on the characteristics of actual well track and system dynamics theory.
根据实际井眼轨迹的特征及系统动力学理论建立了抽油杆柱在实际井眼中的动态仿真模型。
补充资料：非法购买增值税专用发票、购买伪造的增值税专用发票罪
非法购买增值税专用发票、购买伪造的增值税专用发票罪：指违反国家发票管理法规，非法购买增值税专用发票或者购买伪造的增值税专用发票的行为。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条